Letters Received, September 13, 1929

File Degs Health THIRD INTERNATIONAL CONGRESS OF RADIOLOGY (PARIS, 1931) COMMITTEE ON X-RAY AND RADIUM PROTECTION HONORARY SECRETARIES UNITED STATES REPRESENTATIVE G. W. C. KAYE, O.B.E., M.A., D.Sc. LAURISTON S. TAYLOR, BUREAU OF STANDARDS STANLEY MELVILLE, M.D. WASHINGTON, D.C., U.S.A. September 13, 1929. United States Radium Corporation, 555 Pearl Street, New York, N. Y. Gentlemen: 5tm As a part of our study of radium protection, we need to have some fairly accurate information regarding the sale and distribution of radium and radium salts. Your cooperation will be appreciated if you could give reply to the following questions. If any of your replies are confidential or if you are disinclined to answer any of the questions, will you please so indicate? 1. Amount of American radium element sold by your concern per year? 2. Amount of foreign? 3. Names of foreign sources and approximate quantities re- ceived for each? 4. Amount of radium element per year sold to medical profession? 5. Amount per year to watch manufacturers? (Give list of the 6. Amount per year to other manufacturers? larger users. ) 7. In what form is it usually sent to manufacturers? 8. Names of any other American distributors of radium? 9. Is all redium sold by your company certified by the Bureau of Standards? If not, give particulars. 10. Number of deaths or accidents directly traceable to radium poisoning in your company? 11. Any other information which you may feel would be of as- sistance in giving us a synopsis of the radium distribu- tion in this country. Respectfully, Lauriston sTaylar Lauriston S. Taylor: